Feature: 1)HSS thread tap,roll form tap 2)Thye:M,UNC,UNF,W 3)Material:HSSE,CPM,CPS 4)Coating:TIN,ALSIN ... -A,TICN,Bright HSS thread tap,threading tool,roll ... form tap Feature:1.Material:M42(HSS Co8%),CPM,CPS,imported from Germany2.Standard:JIS,DIN,ISO3. ...